fzus53 kapx 201802
nshapx
expires:202608210215;;060324

nearshore marine forecast
national weather service gaylord mi
202 pm edt thu aug 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz321-210215-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
202 pm edt thu aug 20 2026

.tonight...southeast wind 10 to 15 knots. slight chance of
showers early in the evening, then chance of showers after
midnight. waves 2 feet or less. 
.friday...south wind 10 to 15 knots. chance of showers and slight
chance of thunderstorms. waves 2 feet or less. 
.friday night...southwest wind 5 to 10 knots. rain showers
likely. waves 2 feet or less. 
.saturday...northwest wind 10 to 15 knots. partly sunny. waves
2 to 4 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201802
nshapx
expires:202608210215;;060332

nearshore marine forecast
national weather service gaylord mi
202 pm edt thu aug 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz346-210215-
st ignace to false detour channel-
202 pm edt thu aug 20 2026

.tonight...south wind 10 to 15 knots. slight chance of showers
after midnight. waves 2 feet or less. 
.friday...southeast wind 10 to 15 knots. chance of showers and
slight chance of thunderstorms. waves 2 to 4 feet. 
.friday night...south wind 10 to 15 knots. chance of showers.
waves 2 to 4 feet. 
.saturday...northwest wind 10 to 15 knots. chance of showers.
waves 2 feet or less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201802
nshapx
expires:202608210215;;060333

nearshore marine forecast
national weather service gaylord mi
202 pm edt thu aug 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz347-210215-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
202 pm edt thu aug 20 2026

...small craft advisory in effect from friday afternoon through
friday evening...

.tonight...south wind 10 to 15 knots. partly cloudy early in the
evening then becoming mostly cloudy. waves 2 feet or less. 
.friday...south wind 10 to 15 knots with gusts to around 25 knots.
chance of showers and slight chance of thunderstorms. waves 2 to 
4 feet.
.friday night...south wind 10 to 15 knots. chance of showers.
waves 2 to 4 feet. 
.saturday...northwest wind 15 to 20 knots. chance of showers.
waves 2 to 3 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201802
nshapx
expires:202608210215;;060334

nearshore marine forecast
national weather service gaylord mi
202 pm edt thu aug 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz348-210215-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
202 pm edt thu aug 20 2026

...small craft advisory in effect from friday afternoon through
friday evening...

.tonight...south wind 10 to 15 knots. partly cloudy early in the
evening then becoming mostly cloudy. waves 2 feet or less. 
.friday...south wind 15 to 20 knots with gusts to around 25 knots.
mostly sunny. waves 2 to 4 feet. 
.friday night...south wind 10 to 15 knots. chance of showers.
waves 2 to 4 feet. 
.saturday...west wind 10 to 15 knots. chance of showers and
thunderstorms. waves 2 to 3 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201802
nshapx
expires:202608210215;;060335

nearshore marine forecast
national weather service gaylord mi
202 pm edt thu aug 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz349-210215-
sturgeon pt to alabaster mi-
202 pm edt thu aug 20 2026

.tonight...east wind 10 to 15 knots becoming south 5 to 10 knots
early in the morning. partly cloudy. waves 2 feet or less. 
.friday...south wind 10 to 15 knots. mostly sunny. waves 2 to
3 feet. 
.friday night...south wind 10 to 15 knots. chance of showers.
waves 2 to 3 feet. 
.saturday...west wind 5 to 10 knots. showers likely and a chance
of thunderstorms. waves 2 feet or less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201802
nshapx
expires:202608210215;;060328

nearshore marine forecast
national weather service gaylord mi
202 pm edt thu aug 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz323-210215-
grand traverse bay south of a line grand traverse light to
norwood mi-
202 pm edt thu aug 20 2026

...small craft advisory in effect from friday morning through
friday evening...

.tonight...south wind 10 to 15 knots. partly cloudy early in the
evening then becoming mostly cloudy. waves 2 feet or less. 
.friday...south wind 5 to 10 knots with gusts to around 25 knots.
chance of showers and slight chance of thunderstorms. waves
2 feet or less. 
.friday night...southwest wind 5 to 10 knots. chance of showers.
waves 2 feet or less. 
.saturday...northwest wind 15 to 20 knots. chance of showers.
waves 2 to 3 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201802
nshapx
expires:202608210215;;060326

nearshore marine forecast
national weather service gaylord mi
202 pm edt thu aug 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz341-210215-
seul choix point to 5nm west of mackinac bridge-
202 pm edt thu aug 20 2026

...small craft advisory in effect from friday morning through
friday evening...

.tonight...southeast wind 10 to 15 knots becoming south early in
the morning. chance of showers after midnight. waves 2 to 3 feet.
.friday...south wind 10 to 15 knots. gusts to 25 knots. chance of
showers and slight chance of thunderstorms. waves 2 to 4 feet. 
.friday night...west wind 5 to 10 knots. rain showers likely.
waves 2 to 3 feet. 
.saturday...northwest wind 10 to 15 knots. mostly sunny. waves
2 feet or less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201802
nshapx
expires:202608210215;;060327

nearshore marine forecast
national weather service gaylord mi
202 pm edt thu aug 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz342-210215-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
202 pm edt thu aug 20 2026

...small craft advisory in effect from friday morning through
friday evening...

.tonight...southeast wind 5 to 10 knots becoming south 10 to
15 knots after midnight. slight chance of showers after midnight.
waves 2 feet or less. 
.friday...southwest wind 10 to 15 knots. gusts to 25 knots. chance
of showers and slight chance of thunderstorms. waves 2 feet or 
less. 
.friday night...southwest wind 5 to 10 knots. rain showers
likely. waves 2 feet or less. 
.saturday...northwest wind 15 to 20 knots. chance of showers.
waves 2 to 3 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201802
nshapx
expires:202608210215;;060329

nearshore marine forecast
national weather service gaylord mi
202 pm edt thu aug 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz344-345-210215-
sleeping bear point to grand traverse light mi-
point betsie to sleeping bear point mi-
202 pm edt thu aug 20 2026

...small craft advisory in effect from friday morning through
friday evening...

.tonight...south wind 10 to 15 knots. partly cloudy early in the
evening then becoming mostly cloudy. waves 2 feet or less. 
.friday...southwest wind 10 to 15 knots. gusts to 25 knots. chance
of showers and slight chance of thunderstorms. waves 2 to 3 feet.
.friday night...southwest wind 10 to 15 knots. showers likely.
waves 2 to 3 feet. 
.saturday...northwest wind 15 to 20 knots. chance of showers.
waves 2 to 3 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201802
nshapx
expires:202608210215;;060330

nearshore marine forecast
national weather service gaylord mi
202 pm edt thu aug 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz346-210215-
manistee to point betsie mi-
202 pm edt thu aug 20 2026

...small craft advisory in effect from friday morning through
friday evening...

.tonight...south wind 10 to 15 knots. partly cloudy early in the
evening then becoming mostly cloudy. waves 2 feet or less. 
.friday...south wind 10 to 15 knots with gusts to around 25 knots.
chance of showers and slight chance of thunderstorms. waves 2 to 
3 feet.
.friday night...southwest wind 10 to 15 knots. showers likely and
a chance of thunderstorms. waves 2 to 3 feet. 
.saturday...north wind 10 to 15 knots. mostly sunny. waves 2 feet
or less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201802
nshapx
expires:202608210215;;060331

nearshore marine forecast
national weather service gaylord mi
202 pm edt thu aug 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz345-210215-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
202 pm edt thu aug 20 2026

.tonight...south wind 10 to 15 knots. slight chance of showers
after midnight. waves 2 feet or less. 
.friday...south wind 5 to 10 knots. chance of showers and slight
chance of thunderstorms. waves 2 feet or less. 
.friday night...south wind 5 to 10 knots. showers likely. waves
2 feet or less. 
.saturday...northwest wind 10 to 15 knots. chance of showers.
waves 2 feet or less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201802
nshapx
expires:202608210215;;060325

nearshore marine forecast
national weather service gaylord mi
202 pm edt thu aug 20 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz322-210215-
st. marys river point iroquois to e. potagannissing bay-
202 pm edt thu aug 20 2026

.tonight...southeast wind 10 to 15 knots. slight chance of
showers after midnight. 
.friday...south wind 5 to 10 knots. chance of showers and slight
chance of thunderstorms. 
.friday night...south wind 5 to 10 knots. chance of showers. 
.saturday...northwest wind 10 to 15 knots. chance of showers. 

winds higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kdlh 201821
nshdlh
expires:202608202200;;061365

nearshore marine forecast
national weather service duluth mn
121 pm cdt thu aug 20 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz141-202200-
grand marais to taconite harbor mn-
121 pm cdt thu aug 20 2026

.rest of today...southeast wind 5 knots. chance of rain showers
early in the afternoon. chance of thunderstorms through the day.
rain showers likely late. waves 1 foot or less. 
.tonight...east wind 5 to 10 knots becoming northeast after
midnight. chance of showers and thunderstorms in the evening,
then slight chance of rain showers after midnight. patchy fog
after midnight. waves 1 foot or less. 
.friday...northeast wind 5 knots becoming north late in the
morning, then becoming southwest in the afternoon. patchy fog in
the morning. waves 1 foot or less. 
.friday night...southwest wind 5 knots becoming northwest in the
late evening and overnight. partly cloudy. waves 1 foot or less. 

$$

fzus53 kdlh 201821
nshdlh
expires:202608202200;;061364

nearshore marine forecast
national weather service duluth mn
121 pm cdt thu aug 20 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz140-202200-
grand portage to grand marais mn-
121 pm cdt thu aug 20 2026

.rest of today...southeast wind 5 knots. chance of rain showers
and slight chance of thunderstorms. waves 1 foot or less. 
.tonight...east wind 5 to 10 knots becoming northeast after
midnight. chance of rain showers and slight chance of
thunderstorms in the evening. patchy fog after midnight. waves
1 foot or less. 
.friday...northeast wind 5 to 10 knots becoming southeast early
in the afternoon, then becoming southwest late in the afternoon.
patchy fog in the morning. waves 1 foot or less. 
.friday night...southwest wind 5 to 10 knots becoming northwest
with gusts to around 20 knots after midnight. slight chance of
rain showers after midnight. waves 1 foot or less. 

$$

fzus53 kdlh 201821
nshdlh
expires:202608202200;;061374

nearshore marine forecast
national weather service duluth mn
121 pm cdt thu aug 20 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz148-202200-
oak point to saxon harbor wi-
121 pm cdt thu aug 20 2026

.rest of today...south wind 5 knots. slight chance of showers and
thunderstorms early in the afternoon, then chance of showers and
thunderstorms late. waves 1 foot or less. 
.tonight...south wind 5 knots. chance of showers and
thunderstorms in the evening, then slight chance of showers and
thunderstorms after midnight. patchy fog after midnight. waves
1 foot or less. 
.friday...southwest wind 5 knots becoming northwest in the late
morning and early afternoon, then becoming north late in the
afternoon. patchy fog in the morning. waves 1 foot or less. 
.friday night...southwest wind 5 knots becoming west after
midnight. chance of showers after midnight. waves 1 foot or less.

$$

fzus53 kdtx 201942
nshdtx
expires:202608210345;;066773

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
342 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz422-210345-
inner saginaw bay sw of point au gres to bay port mi-
342 pm edt thu aug 20 2026

.tonight...east winds 15 to 20 knots becoming southeast 10 to
15 knots after midnight, then diminishing to 5 to 10 knots early
in the morning. mostly clear. waves 2 feet or less. 
.friday...south winds 5 to 10 knots becoming southeast 10 to
15 knots early in the afternoon. mostly sunny until late
afternoon becoming partly cloudy. waves 2 feet or less. 
.friday night...south winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and early morning, then diminishing
to 10 to 15 knots after midnight. partly cloudy. a chance of
showers after midnight. waves 1 to 3 feet. 
.saturday...south winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and early afternoon, then becoming
northwest 10 to 15 knots early in the afternoon. light showers
early in the morning, then showers and a chance of thunderstorms
in the late morning and afternoon. waves 2 feet or less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 201942
nshdtx
expires:202608210345;;066774

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
342 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz421-210345-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
342 pm edt thu aug 20 2026

.tonight...east winds 10 to 15 knots becoming southeast 5 to
10 knots early in the morning. mostly clear. waves 2 feet or
less. 
.friday...south winds 5 to 10 knots becoming southeast 10 to
15 knots early in the afternoon. mostly sunny until late
afternoon becoming partly cloudy. waves 2 feet or less. 
.friday night...southeast winds 10 to 15 knots becoming south
15 to 20 knots in the late evening and overnight. partly cloudy.
a chance of showers after midnight. waves 1 to 3 feet. 
.saturday...south winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and early afternoon, then veering to
the northwest early in the afternoon. partly cloudy early in the
morning. a chance of waterspouts until late afternoon. a chance
of showers early in the morning. light showers in the late
morning and afternoon. a chance of thunderstorms early in the
afternoon. waves 2 feet or less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 201942
nshdtx
expires:202608210345;;066775

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
342 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz441-210345-
port austin to harbor beach mi-
342 pm edt thu aug 20 2026

.tonight...east winds 5 to 10 knots veering to the southeast
early in the morning. mostly clear. waves 2 feet or less. 
.friday...southeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. mostly sunny. waves 2 feet or
less. 
.friday night...south winds 10 to 15 knots. partly cloudy
becoming mostly cloudy in the late evening and early morning
becoming partly cloudy. waves 1 to 3 feet. 
.saturday...south winds 5 to 10 knots veering to the west early
in the afternoon. partly cloudy early in the morning. light
showers likely until late afternoon, then showers and a chance of
thunderstorms early in the afternoon. a chance of waterspouts.
waves 2 feet or less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 201942
nshdtx
expires:202608210345;;066776

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
342 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz442-210345-
harbor beach to port sanilac mi-
342 pm edt thu aug 20 2026

.tonight...northeast winds 10 to 15 knots becoming east 5 to
10 knots in the late evening and early morning, then veering to
the southeast early in the morning. mostly clear. waves 2 feet or
less. 
.friday...southeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. mostly sunny. waves 2 feet or
less. 
.friday night...south winds 10 to 15 knots. partly cloudy. waves
1 to 3 feet. 
.saturday...south winds 5 to 10 knots veering to the west early
in the afternoon. partly cloudy early in the morning. a chance of
waterspouts. light showers likely until late afternoon. showers
and a chance of thunderstorms early in the afternoon. waves
2 feet or less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 201942
nshdtx
expires:202608210345;;066777

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
342 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz443-210345-
port sanilac to port huron mi-
342 pm edt thu aug 20 2026

.tonight...northeast winds 10 to 15 knots becoming southeast 5 to
10 knots after midnight. mostly clear. waves 2 feet or less. 
.friday...southeast winds 5 to 10 knots. mostly sunny. waves
2 feet or less. 
.friday night...southeast winds 10 to 15 knots. partly cloudy.
waves 2 feet or less. 
.saturday...south winds 5 to 10 knots veering to the southwest
early in the afternoon. partly cloudy until late afternoon. a
chance of waterspouts until late afternoon. a chance of showers
until late afternoon. showers and a chance of thunderstorms early
in the afternoon. waves 2 feet or less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kgrb 201941
nshgrb
expires:202608202200;;066733

nearshore marine forecast
national weather service green bay wi
241 pm cdt thu aug 20 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-202200-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
241 pm cdt thu aug 20 2026

.this afternoon...s wind 10 to 15 kts. waves 2 ft or less. partly
cloudy. 
.tonight...s wind 10 to 15 kts. waves 1 to 3 ft. a slight chance
of showers after midnight. 
.friday...s wind 10 to 15 kts. waves 1 to 3 ft building to 3 to
5 ft in the afternoon. a chance of showers and thunderstorms. a
small craft advisory may be needed. 
.friday night...sw wind 10 to 15 kts veering nw 5 to 10 kts in
the late evening and overnight. waves 3 to 5 ft subsiding to 2 to
4 ft after midnight. a chance of showers and thunderstorms in the
evening. a small craft advisory may be needed.  

$$

fzus53 kgrb 201941
nshgrb
expires:202608202200;;066732

nearshore marine forecast
national weather service green bay wi
241 pm cdt thu aug 20 2026

for waters within five nautical miles of shore on lake michigan


lmz521-522-202200-
green bay south of line from cedar river to rock island passage
and north of a line from oconto wi to little sturgeon bay wi-
green bay south of line from oconto wi to little sturgeon bay wi-
241 pm cdt thu aug 20 2026

.this afternoon...s wind 5 to 10 kts. waves 2 ft or less. partly
sunny. 
.tonight...s wind 10 to 15 kts. waves 1 to 3 ft. a chance of
showers after midnight. 
.friday...s wind 10 to 15 kts. waves 1 to 3 ft. a chance of
showers and thunderstorms. 
.friday night...w wind 5 to 10 kts veering n in the late evening
and overnight. waves 2 ft or less. a chance of showers and
thunderstorms in the evening.  

$$

fzus53 kgrr 201823
nshgrr
expires:202608210800;;061581

nearshore marine forecast
national weather service grand rapids mi
223 pm edt thu aug 20 2026

for waters within five nautical miles of shore on lake michigan


lmz849-210800-
pentwater to manistee mi-
223 pm edt thu aug 20 2026

.through early evening...northwest winds around 10 knots. mostly
sunny. waves 1 foot or less. 
.tonight...north winds around 10 knots veering southeast in the late
evening and overnight. partly cloudy. waves 1 foot or less. 
.friday...south winds 15 to 25 knots. partly sunny with a slight
chance of rain showers. waves 1 to 3 feet building to 3 to 5 feet in
the late morning and afternoon. 
.friday night...south winds 10 to 20 knots veering southwest 5 to
15 knots after midnight. rain showers likely and a chance of
thunderstorms. waves 3 to 5 feet subsiding to 1 to 3 feet after
midnight. 
.saturday...north winds 10 to 20 knots. mostly sunny with a slight
chance of rain showers. waves 2 to 4 feet. 
.saturday night...north winds 15 to 25 knots. partly cloudy. waves
2 to 4 feet building to 3 to 5 feet in the late evening and
overnight. 
.sunday...north winds to 30 knots. sunny. waves 3 to 5 feet. 
.monday...northwest winds 10 to 15 knots. sunny. waves 1 to 2 feet. 
.tuesday...south winds 15 to 25 knots. mostly sunny. waves 2 to
4 feet. 

$$

fzus53 kgrr 201823
nshgrr
expires:202608210800;;061582

nearshore marine forecast
national weather service grand rapids mi
223 pm edt thu aug 20 2026

for waters within five nautical miles of shore on lake michigan


lmz848-210800-
whitehall to pentwater mi-
223 pm edt thu aug 20 2026

.through early evening...northwest winds 10 to 15 knots. sunny.
waves 1 foot or less. 
.tonight...northwest winds 5 to 15 knots veering east in the late
evening and early morning, then veering southeast 5 to 15 knots
after midnight. partly cloudy. waves 1 foot or less. 
.friday...south winds 10 to 20 knots. partly sunny. waves 1 to
2 feet building to 2 to 4 feet in the late morning and afternoon. 
.friday night...south winds 10 to 20 knots veering southwest after
midnight. mostly cloudy with a chance of showers and thunderstorms.
waves 2 to 4 feet. 
.saturday...northwest winds 15 to 25 knots. mostly sunny with a
slight chance of showers and thunderstorms. waves 3 to 5 feet. 
.saturday night...north winds 20 to 25 knots. partly cloudy. waves
3 to 5 feet. 
.sunday...north winds to 30 knots. sunny. waves 4 to 6 feet. 
.monday...north winds 10 to 15 knots backing northwest early in the
afternoon. sunny. waves 1 to 2 feet. 
.tuesday...south winds 10 to 20 knots increasing to 20 to 25 knots
early in the afternoon. mostly sunny. waves 2 to 4 feet. 

$$

fzus53 kgrr 201823
nshgrr
expires:202608210800;;061583

nearshore marine forecast
national weather service grand rapids mi
223 pm edt thu aug 20 2026

for waters within five nautical miles of shore on lake michigan


lmz847-210800-
grand haven to whitehall mi-
223 pm edt thu aug 20 2026

.through early evening...northwest winds 10 to 20 knots. sunny.
waves 1 foot or less. 
.tonight...northwest winds 5 to 15 knots veering southeast after
midnight. partly cloudy. waves around 1 foot. 
.friday...south winds 10 to 20 knots. partly sunny. waves 2 to
4 feet. 
.friday night...south winds around 15 knots. mostly cloudy with a
chance of showers and thunderstorms. waves 2 to 4 feet. 
.saturday...northwest winds 15 to 25 knots increasing to 30 knots
early in the afternoon. mostly sunny with a chance of rain showers
and a slight chance of thunderstorms. waves 3 to 5 feet. 
.saturday night...north winds 15 to 25 knots. mostly clear. waves
3 to 5 feet. 
.sunday...north winds to 30 knots backing northwest gales to
35 knots early in the afternoon. sunny. waves 4 to 6 feet. 
.monday...north winds around 10 knots backing northwest in the late
morning and afternoon. sunny. waves around 1 foot. 
.tuesday...south winds 10 to 20 knots. mostly sunny. waves 1 to
3 feet. 

$$

fzus53 kmkx 202010
nshmkx
expires:202608210900;;068447

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt thu aug 20 2026

for waters within five nautical miles of shore on lake michigan


lmz644-210900-
port washington to north point light wi-
310 pm cdt thu aug 20 2026

.through early evening...east wind 5 to 10 knots veering
southeast late in the afternoon. sunny. waves around 1 foot. 
.tonight...south wind 5 to 10 knots veering southwest after
midnight. partly cloudy. waves around 1 foot. 
.friday...southwest wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then backing south with gusts to around
20 knots early in the afternoon becoming south 10 to 15 knots
with gusts to around 20 knots late in the afternoon. chance of
showers through the day. chance of thunderstorms in the
afternoon. waves around 1 foot. 
.friday night...southwest wind 10 to 15 knots easing to 5 to
10 knots late in the evening, then veering west after midnight
becoming northwest 10 to 15 knots early in the morning. chance of
showers and thunderstorms through around midnight. waves 1 to
2 feet. 
.saturday...northwest wind 10 to 15 knots veering north late in
the afternoon. chance of showers and thunderstorms in the
afternoon. waves 1 to 2 feet. 

$$

fzus53 kmkx 202010
nshmkx
expires:202608210900;;068446

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt thu aug 20 2026

for waters within five nautical miles of shore on lake michigan


lmz643-210900-
sheboygan to port washington wi-
310 pm cdt thu aug 20 2026

.through early evening...southeast wind 10 to 15 knots veering
south late in the afternoon. sunny. waves around 1 foot. 
.tonight...south wind 5 to 15 knots becoming 5 to 10 knots late
in the evening, then veering southwest after midnight. partly
cloudy through around midnight then becoming mostly cloudy. waves
around 1 foot. 
.friday...southwest wind 10 to 15 knots with gusts to around
20 knots becoming south 15 to 20 knots in the afternoon. chance
of showers through the day. chance of thunderstorms in the
afternoon. waves 1 to 2 feet building to 3 to 4 feet in the
afternoon. 
.friday night...south wind 10 to 15 knots with gusts to around
20 knots becoming southwest 5 to 10 knots late in the evening,
then veering west after midnight becoming northwest 10 to
15 knots early in the morning. chance of showers and
thunderstorms through around midnight, then slight chance of
showers after midnight. waves 2 to 4 feet subsiding to 1 to
2 feet after midnight. 
.saturday...northwest wind 10 to 15 knots with gusts to around
20 knots veering north late in the afternoon. chance of showers
and thunderstorms in the afternoon. waves 1 to 2 feet. 

$$

fzus53 kmqt 202101
nshmqt
expires:202608210800;;069869

nearshore marine forecast
national weather service marquette mi
501 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz242-243-210800-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
501 pm edt thu aug 20 2026

.late this afternoon...east wind less than 10 knots with gusts up
to 18 knots. mostly cloudy with a chance of showers. waves calm
to 1 foot. 
.tonight...southeast wind less than 10 knots veering south late.
gusts up to 17 knots. mostly cloudy. showers likely in the
evening. a slight chance of thunderstorms through the night. a
chance of showers after midnight. waves calm to 1 foot. 
.friday...west wind less than 10 knots veering northwest by late
morning. mostly cloudy. a slight chance of showers through mid
morning. waves calm to 1 foot. 
.friday night...west wind less than 10 knots. partly cloudy. a
slight chance of showers after midnight. waves calm to 1 foot. 
.saturday...northwest wind 10 to 15 knots diminishing to less
than 10 knots in the afternoon. mostly sunny with a slight chance
of showers. waves building to 1 to 2 feet. 

$$

fzus53 kmqt 202101
nshmqt
expires:202608210800;;069870

nearshore marine forecast
national weather service marquette mi
501 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz244-245-210800-
eagle river to manitou island mi-
manitou island to point isabelle mi-
501 pm edt thu aug 20 2026

.late this afternoon...southeast wind 10 to 15 knots. mostly
cloudy with a chance of showers. waves calm to 1 foot building to
1 to 2 feet. 
.tonight...southeast wind 10 to 15 knots becoming 5 to 15 knots
by midnight. cloudy. a chance of showers and a slight chance of
thunderstorms through midnight, then a slight chance of showers
late. waves building to 2 to 3 feet. 
.friday...south wind less than 10 knots veering northwest by late
morning. partly cloudy. a slight chance of showers through early
afternoon. waves subsiding to 1 to 2 feet. 
.friday night...west wind less than 10 knots. partly cloudy. a
slight chance of showers after midnight. waves calm to 1 foot. 
.saturday...northwest wind 10 to 15 knots with gusts up to
25 knots. mostly sunny. a chance of showers in the morning. waves
building to 1 to 2 feet. 

$$

fzus53 kmqt 202101
nshmqt
expires:202608210800;;069871

nearshore marine forecast
national weather service marquette mi
501 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz246-210800-
point isabelle to lower entrance of portage canal mi-
501 pm edt thu aug 20 2026

.late this afternoon...east wind 10 to 15 knots. cloudy with a
chance of showers. waves calm to 1 foot building to 1 to 2 feet. 
.tonight...east wind 10 to 15 knots veering south less than
10 knots late. cloudy. a chance of showers and a slight chance of
thunderstorms through midnight, then a slight chance of showers
late. waves 1 to 2 feet. 
.friday...southwest wind less than 10 knots veering northwest
late. mostly cloudy. a slight chance of showers through mid
morning, then a slight chance of showers and thunderstorms by
late morning. waves 1 to 2 feet. 
.friday night...west wind less than 10 knots. partly cloudy. a
slight chance of showers after midnight. waves calm to 1 foot. 
.saturday...northwest wind 10 to 15 knots with gusts up to
25 knots. mostly sunny. a chance of showers in the morning, then
a slight chance of showers and thunderstorms in the afternoon.
waves building to 1 to 2 feet. 

$$

fzus53 kmqt 202101
nshmqt
expires:202608210800;;069872

nearshore marine forecast
national weather service marquette mi
501 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz247-210800-
lower entrance of portage canal to huron islands mi including
keweenaw and huron bays-
501 pm edt thu aug 20 2026

.late this afternoon...east wind 10 to 15 knots. cloudy with a
slight chance of showers. waves calm to 1 foot building to 1 to
2 feet. 
.tonight...southeast wind 10 to 15 knots veering south less than
10 knots late. mostly cloudy. a chance of showers and a slight
chance of thunderstorms through midnight, then a chance of
showers late. waves 1 to 2 feet. 
.friday...southwest wind less than 10 knots veering northwest
late. mostly cloudy. a slight chance of showers through mid
morning, then a slight chance of showers and thunderstorms by
late morning. waves calm to 1 foot. 
.friday night...west wind less than 10 knots. gusts up to
18 knots. partly cloudy. waves calm to 1 foot. 
.saturday...northwest wind 10 to 15 knots. gusts up to 23 knots.
mostly sunny. a chance of showers in the morning, then a slight
chance of showers and thunderstorms in the afternoon. waves
building to 1 to 2 feet. 

$$

fzus53 kmqt 202101
nshmqt
expires:202608210800;;069873

nearshore marine forecast
national weather service marquette mi
501 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz248-210800-
huron islands to marquette mi-
501 pm edt thu aug 20 2026

.late this afternoon...southeast wind 10 to 15 knots. mostly
cloudy with a slight chance of showers. waves calm to 1 foot
building to 1 to 2 feet. 
.tonight...southeast wind 10 to 15 knots veering south less than
10 knots late. cloudy. a chance of showers through late evening,
then a chance of showers and a slight chance of thunderstorms by
midnight. waves 1 to 2 feet. 
.friday...south wind less than 10 knots veering northwest by late
morning, then becoming northwest less than 10 knots late. gusts
up to 18 knots. partly cloudy. a slight chance of showers through
early afternoon. a slight chance of thunderstorms by late
morning. a chance of showers late. waves calm to 1 foot. 
.friday night...northwest wind 5 to 15 knots. partly cloudy.
waves calm to 1 foot. 
.saturday...northwest wind 10 to 20 knots with gusts up to
30 knots. mostly sunny. a chance of showers in the morning, then
a slight chance of showers and thunderstorms in the afternoon.
waves building to 3 to 6 feet occasionally to 8 feet, then
subsiding to 2 to 4 feet. 

$$

fzus53 kmqt 202101
nshmqt
expires:202608210800;;069866

nearshore marine forecast
national weather service marquette mi
501 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lmz250-210800-
5nm east of a line from fairport mi to rock island passage-
501 pm edt thu aug 20 2026

.late this afternoon...south wind less than 10 knots. partly
cloudy. waves calm to 1 foot. 
.tonight...south wind 5 to 15 knots becoming 10 to 15 knots late.
mostly cloudy. a slight chance of showers by midnight. a chance
of showers late. waves building to 1 to 2 feet. 
.friday...southwest wind 10 to 15 knots. mostly cloudy with a
chance of showers and a slight chance of thunderstorms. waves
building to 2 to 4 feet. 
.friday night...west wind 5 to 15 knots veering north less than
10 knots after midnight. mostly cloudy with showers likely and a
slight chance of thunderstorms in the evening, then partly cloudy
with a slight chance of showers after midnight. waves subsiding
to 1 to 2 feet. 
.saturday...northwest wind less than 10 knots increasing to 10 to
20 knots in the afternoon. partly cloudy. a chance of showers and
a slight chance of thunderstorms in the afternoon. waves 1 to
2 feet. 

$$

fzus53 kmqt 202101
nshmqt
expires:202608210800;;069875

nearshore marine forecast
national weather service marquette mi
501 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz250-210800-
munising to grand marais mi-
501 pm edt thu aug 20 2026

.late this afternoon...east wind less than 10 knots. partly
cloudy. waves calm to 1 foot. 
.tonight...southeast wind 5 to 15 knots veering south 10 to
15 knots late. cloudy. a slight chance of showers through late
evening, then a chance of showers and a slight chance of
thunderstorms by midnight. waves calm to 1 foot. 
.friday...south wind 10 to 15 knots veering west less than
10 knots late. gusts up to 22 knots. mostly cloudy. a chance of
showers through mid morning, then a chance of showers and a
slight chance of thunderstorms by late morning. waves building to
1 to 2 feet. 
.friday night...northwest wind less than 10 knots increasing to
10 to 15 knots after midnight. mostly cloudy. a chance of showers
in the evening. waves calm to 1 foot. 
.saturday...northwest wind 10 to 20 knots with gusts up to
32 knots. partly cloudy with a slight chance of showers. waves
building to 3 to 5 feet occasionally to 7 feet. 

$$

fzus53 kmqt 202101
nshmqt
expires:202608210800;;069876

nearshore marine forecast
national weather service marquette mi
501 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz251-210800-
grand marais to whitefish point mi-
501 pm edt thu aug 20 2026

.late this afternoon...east wind less than 10 knots. mostly
sunny. waves calm to 1 foot. 
.tonight...southeast wind less than 10 knots veering south 10 to
15 knots by midnight. cloudy. a chance of showers by midnight. a
chance of showers and a slight chance of thunderstorms late.
waves building to 1 to 2 feet. 
.friday...south wind 10 to 15 knots becoming 5 to 15 knots late.
mostly cloudy with a chance of showers and a slight chance of
thunderstorms. waves building to 2 to 3 feet, then subsiding to
1 to 2 feet. 
.friday night...west wind less than 10 knots veering northwest
10 to 15 knots after midnight. cloudy. a chance of showers and a
slight chance of thunderstorms in the evening, then a slight
chance of showers after midnight. waves 1 to 2 feet. 
.saturday...northwest wind 10 to 20 knots. mostly cloudy. waves
building to 2 to 4 feet. 

$$

fzus53 kmqt 202101
nshmqt
expires:202608210800;;069865

nearshore marine forecast
national weather service marquette mi
501 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lmz221-210800-
green bay north of line from cedar river mi to rock island
passage-
501 pm edt thu aug 20 2026

.late this afternoon...south wind 10 to 15 knots. partly cloudy.
waves calm to 1 foot building to 1 to 2 feet. 
.tonight...south wind 10 to 15 knots veering southwest late.
mostly cloudy. a slight chance of showers by midnight. a chance
of showers and a slight chance of thunderstorms late. waves 1 to
2 feet. 
.friday...southwest wind 10 to 15 knots with gusts up to
22 knots. mostly cloudy. a chance of showers and a slight chance
of thunderstorms through early afternoon, then a chance of
showers and thunderstorms late. waves building to 2 to 3 feet,
then subsiding to 1 to 2 feet. 
.friday night...northwest wind less than 10 knots veering north
after midnight. mostly cloudy with a chance of showers and a
slight chance of thunderstorms in the evening, then partly cloudy
after midnight. waves 1 to 2 feet. 
.saturday...northwest wind less than 10 knots veering north 10 to
20 knots in the afternoon. partly cloudy. a slight chance of
showers in the morning, then a chance of showers and
thunderstorms in the afternoon. waves building to 1 to 2 feet. 

$$

fzus53 kmqt 202101
nshmqt
expires:202608210800;;069867

nearshore marine forecast
national weather service marquette mi
501 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lmz248-210800-
seul choix point to point detour mi-
501 pm edt thu aug 20 2026

...small craft advisory in effect from friday morning through
friday afternoon...

.late this afternoon...south wind less than 10 knots. partly
cloudy. waves calm to 1 foot. 
.tonight...south wind 5 to 15 knots becoming 10 to 15 knots late.
cloudy. a slight chance of showers by midnight. a chance of
showers late. waves building to 2 to 3 feet. 
.friday...southwest wind 10 to 20 knots. mostly cloudy. a chance
of showers and a slight chance of thunderstorms through early
afternoon, then a slight chance of showers and thunderstorms
late. waves building to 2 to 4 feet. 
.friday night...west wind 5 to 15 knots veering north less than
10 knots after midnight. mostly cloudy. showers likely and a
slight chance of thunderstorms in the evening, then a chance of
showers after midnight. waves subsiding to 1 to 2 feet. 
.saturday...northwest wind 10 to 20 knots. partly cloudy. a
slight chance of showers in the morning, then a chance of showers
and a slight chance of thunderstorms in the afternoon. waves 1 to
2 feet. 

$$

fzus53 kmqt 202101
nshmqt
expires:202608210800;;069874

nearshore marine forecast
national weather service marquette mi
501 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz249-210800-
marquette to munising mi-
501 pm edt thu aug 20 2026

.late this afternoon...southeast wind less than 10 knots. mostly
cloudy. waves calm to 1 foot. 
.tonight...southeast wind 10 to 15 knots veering south late.
cloudy. a slight chance of showers through late evening, then a
chance of showers and a slight chance of thunderstorms by
midnight. waves building to 1 to 2 feet. 
.friday...south wind 10 to 15 knots veering southwest 5 to
15 knots by late morning, then veering northwest less than
10 knots late. gusts up to 22 knots. partly cloudy. a chance of
showers through early afternoon. a slight chance of thunderstorms
by late morning, then showers likely and a chance of
thunderstorms late. waves 1 to 2 feet. 
.friday night...northwest wind 5 to 15 knots. mostly cloudy with
a chance of showers in the evening, then partly cloudy after
midnight. waves building to 1 to 2 feet. 
.saturday...northwest wind 15 to 25 knots with gusts up to
32 knots. partly cloudy. a chance of showers in the morning, then
a slight chance of showers and thunderstorms in the afternoon.
waves building to 3 to 6 feet occasionally to 8 feet, then
subsiding to 3 to 5 feet occasionally to 7 feet. 

$$

fzus53 kmqt 202101
nshmqt
expires:202608210800;;069868

nearshore marine forecast
national weather service marquette mi
501 pm edt thu aug 20 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz240-241-210800-
saxon harbor wi to black river mi-
black river to ontonagon mi-
501 pm edt thu aug 20 2026 /401 pm cdt thu aug 20 2026/

.late this afternoon...southeast wind less than 10 knots. mostly
cloudy with a chance of showers and a slight chance of
thunderstorms. waves calm to 1 foot. 
.tonight...southeast wind less than 10 knots veering southwest
late. mostly cloudy. a chance of thunderstorms in the evening. a
chance of showers through the night. a slight chance of
thunderstorms after midnight. waves calm to 1 foot. 
.friday...west wind less than 10 knots veering northwest by late
morning. cloudy through early afternoon then becoming partly
cloudy. a slight chance of showers through mid morning. waves
calm to 1 foot. 
.friday night...west wind less than 10 knots. partly cloudy. a
slight chance of showers after midnight. waves calm to 1 foot. 
.saturday...northwest wind 5 to 15 knots. mostly sunny. a slight
chance of showers in the morning. waves building to 1 to 2 feet. 

$$